Consider the following register transfer statements for two 4-bit registers R1 and R2. xT: R1← R1+ R2 x' T: R1 ← R2 Every time that variable T = 1, either the content of R2 is added to the content of Rl if x = 1, or the content of R2 is transferred to R1 if x = 0. Draw a diagram showing the hardware implementation of the two statements. Use block diagrams for the two 4-bit registers, a 4-bit adder, and a quadruple 2-to-1-llne multiplexer that selects the inputs to R l . In the diagram, show how the control variables x and T select the inputs of the multiplexer and the load input of register R1.
Consider the following register transfer statements for two 4-bit registers R1 and R2. xT: R1← R1+ R2 x' T: R1 ← R2 Every time that variable T = 1, either the content of R2 is added to the content of Rl if x = 1, or the content of R2 is transferred to R1 if x = 0. Draw a diagram showing the hardware implementation of the two statements. Use block diagrams for the two 4-bit registers, a 4-bit adder, and a quadruple 2-to-1-llne multiplexer that selects the inputs to R l . In the diagram, show how the control variables x and T select the inputs of the multiplexer and the load input of register R1.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider the following register transfer statements for two 4-bit registers R1 and R2.
xT: R1← R1+ R2
x' T: R1 ← R2
Every time that variable T = 1, either the content of R2 is added to the content of Rl if x = 1, or the content of R2 is transferred to R1 if x = 0. Draw a diagram showing the hardware implementation of the two statements. Use block diagrams for the two 4-bit registers, a 4-bit adder, and a quadruple 2-to-1-llne multiplexer that selects the inputs to R l . In the diagram, show how the control variables x and T select the inputs of the multiplexer and the load input of register R1.
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